Skoda FABIA 2000 Workshop Manual page 42

13
Fig. 1: Inspecting piston ring gap clearance
–
Push in ring at right angles to the cylinder wall from the
top through to the bottom cylinder opening, about 15
mm from the cylinder edge.
Piston ring
dimensions in
mm
1. Compression
ring
2. Compression
ring
Oil scraper ring
1) no specification possible for wear limit
Fig. 2: Inspect piston ring end clearance
–
Clean annular groove before measurement is taken.
Piston ring
dimensions in mm
1. Compression ring
2. Compression ring
Oil scraper ring
Fig. 3: Inspecting pistons
Special tools, test and measuring equipment and
auxiliary items required
♦ External micrometer 75...100 mm
–
Measure about 10 mm from the lower edge, offset at
right angles to the piston pin shaft.
♦
Variation compared to nominal diameter max. 0.04
mm
13-3 2
page
new Wear limit
0,20...0,50 1,0
0,40...0,70 1,0
0,40...1,40
__ 1)
new Wear limit
0,04...0,08 0,15
0,04...0,08 0,15
cannot be measured
Disassembling and assembling piston and conrod
FABIA 2000 1.4/55; 1.4/74 Engine - Mechanical Components
Edition 05.04
S00.5306.05.20